Science Q&A Show

Dr Chris and Dr Helen answer all your burning science questions, including why frost can form even when the air temperature is above zero, why hair looks darker when it's wet, why sunlight looks red through your eyelids, and whether cracking your knuckles really causes arthritis. We also talk to Chemistry World editor Mark Peplow about venomous vipers, artificial kidneys, and how LSD might be switching on hallucinations, and in Kitchen ScienceAnna Lacey and Dave Ansell look at some slightly safer visual effects with the help of a sodium street light.

I often use silicone sealer, the kind of stuff you put round the bath. The only thing that seems to finish it off into a right angle (ie: right into the corner of your bath so water doesn't drip behind it) is to wet your finger. Over the years I've tried all sorts of things inclu...

Many people are familiar with the phrase 'as sure as eggs is eggs', but can we be as sure that orange is orange? It turns out that the answer is no, and to reveal why, Anna and Dave go to Cottenham to carry out some Kitchen Science with enthusiastic helpers Luke and Alice.

&nbsp| The Naked Scientists® and Naked Science® are registered trademarks created by Dr Chris Smith.

Information presented on this website is the opinion of the individual contributors and does not reflect the general views of the administrators, editors, moderators, sponsors, Cambridge University or the public at large.